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Finding the Fourth Proportional to 57,801.49, 86,704.02 and 15,681.41

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Solution

The fourth proportional to 57,801.49, 86,704.02 and 15,681.41 is: 23,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,801.49 : 86,704.02 = 15,681.41 : x
  2. Step 2: Convert to fraction form
    57,801.49/86,704.02 = 15,681.41/x
  3. Step 3: Cross multiply
    57,801.49x = 86,704.02 × 15,681.41
  4. Step 4: Simplify right side
    57,801.49x = 1,359,641,286.27
  5. Step 5: Solve for x
    x = 1,359,641,286.27/57,801.49
  6. Step 6: Final answer
    x = 23,522.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.